81366400

素因数分解:

$2^7\times 5^2\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 96

約数和(自身を含む): 205656480

約数和(自身を除く): 124290080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 64, 80, 94, 100, 128, 160, 188, 200, 235, 320, 376, 400, 470, 541, 640, 752, 800, 940, 1082, 1175, 1504, 1600, 1880, 2164, 2350, 2705, 3008, 3200, 3760, 4328, 4700, 5410, 6016, 7520, 8656, 9400, 10820, 13525, 15040, 17312, 18800, 21640, 25427, 27050, 30080, 34624, 37600, 43280, 50854, 54100, 69248, 75200, 86560, 101708, 108200, 127135, 150400, 173120, 203416, 216400, 254270, 346240, 406832, 432800, 508540, 635675, 813664, 865600, 1017080, 1271350, 1627328, 1731200, 2034160, 2542700, 3254656, 4068320, 5085400, 8136640, 10170800, 16273280, 20341600, 40683200, 81366400]

約数ペア:

[(1, 81366400), (2, 40683200), (4, 20341600), (5, 16273280), (8, 10170800), (10, 8136640), (16, 5085400), (20, 4068320), (25, 3254656), (32, 2542700), (40, 2034160), (47, 1731200), (50, 1627328), (64, 1271350), (80, 1017080), (94, 865600), (100, 813664), (128, 635675), (160, 508540), (188, 432800), (200, 406832), (235, 346240), (320, 254270), (376, 216400), (400, 203416), (470, 173120), (541, 150400), (640, 127135), (752, 108200), (800, 101708), (940, 86560), (1082, 75200), (1175, 69248), (1504, 54100), (1600, 50854), (1880, 43280), (2164, 37600), (2350, 34624), (2705, 30080), (3008, 27050), (3200, 25427), (3760, 21640), (4328, 18800), (4700, 17312), (5410, 15040), (6016, 13525), (7520, 10820), (8656, 9400)]